The Scientific World Journal

The Scientific World Journal / 2002 / Article

Short Communication | Open Access

Volume 2 |Article ID 374082 | 7 pages |

Artichoke Cultivars (var. “Blanca de Tudela”) under Elevated Ozone Concentrations

Received30 Oct 2001
Revised24 Jan 2002
Accepted01 Feb 2002


Ozone concentrations rise to phytotoxic levels from spring to autumn at western Mediterranean basin coastal sites, where artichoke is one of the most important crops. Simultaneously, from year to year and especially since the early 1980s, resprouting of the stumps has been decreasing in Valencian Community artichoke plantations. To see if ozone might be playing a role in this decrease, a number of plants were exposed to different levels of ozone. Results of the ozone treatments showed reduced biomass in the offshoots of plants exposed to the highest ozone treatment. The exposure to ambient ozone during the stump-establishment period, when compared to filtered-air conditions, resulted in a reduction in yield when plants were transplanted in the field under ambient ozone concentrations. And when plants were exposed to acute short picks, typical ozone visual injury appeared in the older leaves.

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